Finding the Fourth Proportional to 1,130,830.76, 1,560,558.53 and 614,584.62
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Solution
The fourth proportional to 1,130,830.76, 1,560,558.53 and 614,584.62 is: 848,133.34
Step by Step Solution
- Step 1: Write the proportion equation
1,130,830.76 : 1,560,558.53 = 614,584.62 : x - Step 2: Convert to fraction form
1,130,830.76/1,560,558.53 = 614,584.62/x - Step 3: Cross multiply
1,130,830.76x = 1,560,558.53 × 614,584.62 - Step 4: Simplify right side
1,130,830.76x = 959,095,268,074.89 - Step 5: Solve for x
x = 959,095,268,074.89/1,130,830.76 - Step 6: Final answer
x = 848,133.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.